Sex question

Im 40 weeks dialted at a 3 still sitting pretty high. Baby just doesnt want to come out yet. Hubby and i have pretty good sex life. We tried having sex today and it just wasnt happening.. i wanted it.. so did he but the lady bits just didnt warm up to the idea.. we tried forplay and lube.. still having issue with being to dry.. i lost my mucus plug 2 weeks ago never had this type of issue before.. suggestions?